Question

what is thed difference between ultrasonic and infrasonic​

Answer 1

Answer:

Sound is only audible to the average human ear if the frequencies lie between 20Hz and 20kHz. The actual range varies from person to person. Sound waves with frequencies less than 20Hz are called infrasonic or subsonic and those with frequencies above 20kHz are called ultrasonic.

Answer 2

Answer:

Ultrasonic : It has the frequency greater than the audible frequency range, more than 20,000 hertz.

Infrasonic : It has the frequency less than audiable frequency range, less than 20 hertz.

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Hope it helps.